Finding the Fourth Proportional to 301,079.70, 451,619.55 and 201,287.70
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Solution
The fourth proportional to 301,079.70, 451,619.55 and 201,287.70 is: 301,931.55
Step by Step Solution
- Step 1: Write the proportion equation
301,079.70 : 451,619.55 = 201,287.70 : x - Step 2: Convert to fraction form
301,079.70/451,619.55 = 201,287.70/x - Step 3: Cross multiply
301,079.70x = 451,619.55 × 201,287.70 - Step 4: Simplify right side
301,079.70x = 90,905,460,494.54 - Step 5: Solve for x
x = 90,905,460,494.54/301,079.70 - Step 6: Final answer
x = 301,931.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.